<template>
  <div class="container">
    <div class="left-board">
      <el-scrollbar class="left-scrollbar">
        <div class="components-list">
          <div class="components-title">
            <svgIcon icon-class="component"/>
            输入型组件
          </div>
          <draggable
              class="components-draggable"
              :list="inputComponents"
              :group="{ name: 'componentsGroup', pull: 'clone', put: false }"
              :clone="cloneComponent"
              draggable=".components-item"
              :sort="false"
              @end="onEnd"
          >
            <template #item="{ element }">

              <div

                  class="components-item"
                  @click="addComponent(element)"
              >
                <div class="components-body">
                  <svgIcon :icon-class="element.tagIcon"/>
                  {{ element.label }}
                </div>
              </div>
            </template>

          </draggable>
          <div class="components-title">
            <svgIcon icon-class="component"/>
            选择型组件
          </div>
          <draggable
              class="components-draggable"
              :list="selectComponents"
              :group="{ name: 'componentsGroup', pull: 'clone', put: false }"
              :clone="cloneComponent"
              draggable=".components-item"
              :sort="false"
              @end="onEnd"
          >
            <template #item="{ element }">
              <div

                  class="components-item"
                  @click="addComponent(element)"
              >
                <div class="components-body">
                  <svgIcon :icon-class="element.tagIcon"/>
                  {{ element.label }}
                </div>
              </div>
            </template>

          </draggable>
          <div class="components-title">
            <svgIcon icon-class="component"/>

            布局型组件
          </div>
          <draggable
              class="components-draggable" :list="layoutComponents"
              :group="{ name: 'componentsGroup', pull: 'clone', put: false }" :clone="cloneComponent"
              draggable=".components-item" :sort="false" @end="onEnd"
          >
            <template #item="{ element,index }">
              <div
                  :key="index" class="components-item"
                  @click="addComponent(element)"
              >
                <div class="components-body">
                  <svgIcon :icon-class="element.tagIcon"/>
                  {{ element.label }}
                </div>
              </div>
            </template>

          </draggable>
        </div>
      </el-scrollbar>
    </div>

    <div class="center-board">
      <div class="action-bar">
        <el-button icon="el-icon-download" type="text" @click="download">
          导出vue文件
        </el-button>
        <el-button class="copy-btn-main" icon="el-icon-document-copy" type="text" @click="copy">
          复制代码
        </el-button>
        <el-button class="delete-btn" icon="el-icon-delete" type="text" @click="empty">
          清空
        </el-button>
      </div>
      <el-scrollbar class="center-scrollbar">
        <el-row class="center-board-row" :gutter="formConf.gutter">
          <el-form
              :size="formConf.size"
              :label-position="formConf.labelPosition"
              :label-width="formConf.labelWidth + 'px'"
          >
            <draggable animation="300" :move="onMove"
                       class="components-draggable" :list="state.drawingList"
                       group="componentsGroup" :clone="cloneComponent"
                       draggable=".components-item" @start="onStart" :sort="true" @end="onEndCenter"
            >
              <template #item="{ element,index }">
                <DraggableItem @click="itemClick(element)" class="components-item" :dataItem="element"
                               :key="element.renderKey"
                               :index="index"></DraggableItem>
              </template>

            </draggable>

            <div v-show="!state.drawingList.length" class="empty-info">
              从左侧拖入或点选组件进行表单设计
            </div>
          </el-form>
        </el-row>
      </el-scrollbar>
    </div>
    <right-panel
        :active-data="state.activeData"
        :form-conf="formConf"
        :show-field="!!state.drawingList.length"
        @tag-change="tagChange"
        :key="state.refRightKey"
    />

    <!--    <code-type-dialog-->
    <!--        :visible.sync="state.dialogVisible"-->
    <!--        title="选择生成类型"-->
    <!--        :show-file-name="state.showFileName"-->
    <!--        @confirm="state.generate"-->
    <!--    />-->
    <input id="copyNode" type="hidden">
  </div>
</template>


<script setup lang="ts">
import {defineAsyncComponent, reactive, onMounted, ref} from 'vue';
import {inputComponents, selectComponents, layoutComponents, formConf} from '../util/generator/config'
import {ElMessageBox, ElMessage} from 'element-plus';
import drawingDefault from '../util/generator/drawingDefault'
import {saveAs} from 'file-saver'
import draggable from "vuedraggable";

const svgIcon = defineAsyncComponent(() => import('../components/svgIcon/index.vue'));
import Demo3 from '../components/DraggableItem.jsx'
import Generator from "../util/generator/vue3js-generator";
import uuid from "../util/uuid";

const RightPanel = defineAsyncComponent(() => import('../components/RightPanel.vue'));
const DraggableItem = defineAsyncComponent(() => import('../components/DraggableItem.vue'));
// 页面加载时
onMounted(() => {
  //对数据进行处理
  for (let i = 0; i < inputComponents.length; i++) {
    let item = inputComponents[i];
    item.vModel = 'input_field' + i;
    item.defaultValue = '';
  }
  for (let i = 0; i < selectComponents.length; i++) {
    let item = selectComponents[i];
    item.vModel = 'select_field' + i;
    item.defaultValue = "";
  }
});
const state = reactive({
  idGlobal: 100,
  drawingList: drawingDefault,
  dialogVisible: false,
  showFileName: false,
  operationType: '',
  activeData: drawingDefault[0],
  activeId: drawingDefault[0].formId,
  tempActiveData: {},
  drag: false,
  disabled: true,
  refRightKey: false,
});
const checkMove = (evt) => {
  console.log(evt)
}
const onEnd = (obj) => {

  sortData(obj.newIndex);
  //state.drawingList.push( state.tempActiveData)

}
//写一个函数,判断是否强行插入数据
const sortData = (index) => {
  let data = state.tempActiveData;
  let drawingList = state.drawingList;
  let count = drawingList.length;
  let newList = [];
  for (let i = 0; i < count; i++) {
    if (index == i) {
      //说明在当前节点上加上此节点
      newList.push(data);
      //直接将当前值,插入到末尾中去
      newList.push(drawingList[i])
    } else {
      newList.push(drawingList[i])
    }
  }
  if (count == index) {
    //说明是末尾
    newList.push(data);
  }
  state.drawingList = newList;
}
const itemClick = (dataItem) => {
  state.activeData = dataItem;
  state.refRightKey = state.refRightKey == false ? true : false
}

const addComponent = (item) => {
  // let clone = cloneComponent(item);
  console.log(item);
  state.drawingList.push(item)
  console.log(state.drawingList)
  // activeFormItem(clone)


}
const onMove = (ent) => {
  console.log(ent);
}
const download = () => {
  let generator = new Generator(state.drawingList)
  const fileBlob = new Blob([generator.buildHtml()], {type: 'text/plain;charset=utf-8'})
  const rkey = uuid.UUID(16)
  saveAs(fileBlob, rkey+".vue")
}
const copy = () => {

}

const onStart = (ent) => {
  console.log("开始前值")
  console.log(state.drawingList);
}
const empty = () => {
  ElMessageBox.confirm(`确定要清空所有组件吗`, '提示', {
    confirmButtonText: '确认',
    cancelButtonText: '取消',
    type: 'warning',
  })
      .then(async () => {
        state.drawingList = []
      })
      .catch(() => {
      });
}
const cloneComponent = (origin) => {
  state.tempActiveData = origin;

}
onMounted(() => {

});
</script>

<style lang='scss'>
.editor-tabs {
  background: #121315;

  .el-tabs__header {
    margin: 0;
    border-bottom-color: #121315;

    .el-tabs__nav {
      border-color: #121315;
    }
  }

  .el-tabs__item {
    height: 32px;
    line-height: 32px;
    color: #888a8e;
    border-left: 1px solid #121315 !important;
    background: #363636;
    margin-right: 5px;
    user-select: none;
  }

  .el-tabs__item.is-active {
    background: #1e1e1e;
    border-bottom-color: #1e1e1e !important;
    color: #fff;
  }

  .el-icon-edit {
    color: #f1fa8c;
  }

  .el-icon-document {
    color: #a95812;
  }
}

// home
.right-scrollbar {
  .el-scrollbar__view {
    padding: 12px 18px 15px 15px;
  }
}

.left-scrollbar .el-scrollbar__wrap {
  box-sizing: border-box;
  overflow-x: hidden !important;
  margin-bottom: 0 !important;
}

.center-tabs {
  .el-tabs__header {
    margin-bottom: 0 !important;
  }

  .el-tabs__item {
    width: 50%;
    text-align: center;
  }

  .el-tabs__nav {
    width: 100%;
  }
}

.reg-item {
  padding: 12px 6px;
  background: #f8f8f8;
  position: relative;
  border-radius: 4px;

  .close-btn {
    position: absolute;
    right: -6px;
    top: -6px;
    display: block;
    width: 16px;
    height: 16px;
    line-height: 16px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 50%;
    color: #fff;
    text-align: center;
    z-index: 1;
    cursor: pointer;
    font-size: 12px;

    &:hover {
      background: rgba(210, 23, 23, 0.5)
    }
  }

  & + .reg-item {
    margin-top: 18px;
  }
}

.action-bar {
  & .el-button + .el-button {
    margin-left: 15px;
  }

  & i {
    font-size: 20px;
    vertical-align: middle;
    position: relative;
    top: -1px;
  }
}

.custom-tree-node {
  width: 100%;
  font-size: 14px;

  .node-operation {
    float: right;
  }

  i[class*="el-icon"] + i[class*="el-icon"] {
    margin-left: 6px;
  }

  .el-icon-plus {
    color: #409EFF;
  }

  .el-icon-delete {
    color: #157a0c;
  }
}

.left-scrollbar .el-scrollbar__view {
  overflow-x: hidden;
}

.el-rate {
  display: inline-block;
  vertical-align: text-top;
}

.el-upload__tip {
  line-height: 1.2;
}

$selectedColor: #f6f7ff;
$lighterBlue: #409EFF;

.container {
  margin-left: 3rem;
  font-size: 30px;
  font-style: initial;
  width: 100%;
  height: 100%;
  display: flex;
}

.components-list {
  padding: 8px;
  box-sizing: border-box;
  height: 100%;

  .components-item {
    display: inline-block;
    width: 48%;
    margin: 1%;
    transition: transform 0ms !important;

  }
}

.components-draggable {
  padding-bottom: 20px;
}

.components-title {
  font-size: 14px;
  color: #222;
  margin: 6px 2px;

  .svg-icon {
    color: #666;
    font-size: 18px;
  }
}

.components-body {
  padding: 8px 10px;
  background: $selectedColor;
  font-size: 16px;
  cursor: move;
  border: 1px dashed $selectedColor;
  border-radius: 3px;

  .svg-icon {
    color: #777;
    font-size: 15px;
  }

  &:hover {
    border: 1px dashed #787be8;
    color: #787be8;

    .svg-icon {
      color: #787be8;
    }
  }
}

.left-board {
  width: 260px;

  left: 0;
  top: 0;
  height: 100vh;
}

.left-scrollbar {
  height: calc(100vh - 42px);
  overflow: hidden;
  width: 260px;
}

.center-scrollbar {
  height: calc(100vh - 42px);
  overflow: hidden;
  border-left: 1px solid #f1e8e8;
  border-right: 1px solid #f1e8e8;
  box-sizing: border-box;
}

.center-board {
  height: 100vh;
  width: 30%;

  box-sizing: border-box;
}

.empty-info {
  position: absolute;
  top: 46%;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 18px;
  color: #ccb1ea;
  letter-spacing: 4px;
}

.action-bar {
  position: relative;
  height: 42px;
  text-align: right;
  padding: 0 15px;
  box-sizing: border-box;;
  border: 1px solid #f1e8e8;
  border-top: none;
  border-left: none;

  .delete-btn {
    color: #F56C6C;
  }
}

.logo-wrapper {
  position: relative;
  height: 42px;
  background: #fff;
  border-bottom: 1px solid #f1e8e8;
  box-sizing: border-box;
}

.logo {
  position: absolute;
  left: 12px;
  top: 6px;
  line-height: 30px;
  color: #00afff;
  font-weight: 600;
  font-size: 17px;
  white-space: nowrap;

  > img {
    width: 30px;
    height: 30px;
    vertical-align: top;
  }

  .github {
    display: inline-block;
    vertical-align: sub;
    margin-left: 15px;

    > img {
      height: 22px;
    }
  }
}

.center-board-row {
  padding: 12px 12px 15px 12px;
  box-sizing: border-box;

  & > .el-form {
    // 69 = 12+15+42
    height: calc(100vh - 69px);
  }
}

.drawing-board {
  height: 100%;
  position: relative;

  .components-body {
    padding: 0;
    margin: 0;
    font-size: 0;
  }

  .sortable-ghost {
    position: relative;
    display: block;
    overflow: hidden;

    &::before {
      content: " ";
      position: absolute;
      left: 0;
      right: 0;
      top: 0;
      height: 3px;
      background: rgb(89, 89, 223);
      z-index: 2;
    }
  }

  .components-item.sortable-ghost {
    width: 100%;
    height: 60px;
    background-color: $selectedColor;
  }

  .active-from-item {
    & > .el-form-item {
      background: $selectedColor;
      border-radius: 6px;
    }

    & > .drawing-item-copy, & > .drawing-item-delete {
      display: initial;
    }

    & > .component-name {
      color: $lighterBlue;
    }
  }

  .el-form-item {
    margin-bottom: 15px;
  }
}

.drawing-item {
  position: relative;
  cursor: move;

  &.unfocus-bordered:not(.activeFromItem) > div:first-child {
    border: 1px dashed #ccc;
  }

  .el-form-item {
    padding: 12px 10px;
  }
}

.drawing-row-item {
  position: relative;
  cursor: move;
  box-sizing: border-box;
  border: 1px dashed #ccc;
  border-radius: 3px;
  padding: 0 2px;
  margin-bottom: 15px;

  .drawing-row-item {
    margin-bottom: 2px;
  }

  .el-col {
    margin-top: 22px;
  }

  .el-form-item {
    margin-bottom: 0;
  }

  .drag-wrapper {
    min-height: 80px;
  }

  &.active-from-item {
    border: 1px dashed $lighterBlue;
  }

  .component-name {
    position: absolute;
    top: 0;
    left: 0;
    font-size: 12px;
    color: #bbb;
    display: inline-block;
    padding: 0 6px;
  }
}

.drawing-item, .drawing-row-item {
  &:hover {
    & > .el-form-item {
      background: $selectedColor;
      border-radius: 6px;
    }

    & > .drawing-item-copy, & > .drawing-item-delete {
      display: initial;
    }
  }

  & > .drawing-item-copy, & > .drawing-item-delete {
    display: none;
    position: absolute;
    top: -10px;
    width: 22px;
    height: 22px;
    line-height: 22px;
    text-align: center;
    border-radius: 50%;
    font-size: 12px;
    border: 1px solid;
    cursor: pointer;
    z-index: 1;
  }

  & > .drawing-item-copy {
    right: 56px;
    border-color: $lighterBlue;
    color: $lighterBlue;
    background: #fff;

    &:hover {
      background: $lighterBlue;
      color: #fff;
    }
  }

  & > .drawing-item-delete {
    right: 24px;
    border-color: #F56C6C;
    color: #F56C6C;
    background: #fff;

    &:hover {
      background: #F56C6C;
      color: #fff;
    }
  }
}
</style>
